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Cas Database |
| Name |
Methyl 4-formylbenzoate |
EINECS | 216-385-5 |
| CAS No. | 1571-08-0 | Density | 1.181 g/cm3 |
| PSA | 43.37000 | LogP | 1.28570 |
| Solubility | insoluble in water,methanol: 0.1 g/mL | Melting Point |
59-63 °C(lit.) |
| Formula | C9H8O3 | Boiling Point | 265 °C at 760 mmHg |
| Molecular Weight | 164.161 | Flash Point | 144 °C |
| Transport Information | N/A | Appearance | white crystalline powder |
| Safety | 24/25 | Risk Codes | 36/37/38-20/21/22 |
| Molecular Structure |
|
Hazard Symbols |
 Xn
|
| Synonyms |
Benzoicacid, 4-formyl-, methyl ester;4-Carbomethoxybenzaldehyde;4-Formylbenzoicacid methyl ester;Methyl benzaldehyde-4-carboxylate;NSC 28459;Para(methoxycarbonyl)benzaldehyde;p-Formylbenzoic acid methyl ester; |
Article Data | 256 |
Methyl 4-formylbenzoate Synthetic route
| Conditions | Yield |
|---|---|
| With air; poly-alkylated (nitrosyl)Ru(salen) In toluene at 20℃; for 24h; Irradiation; | 100% |
| With dmap; tetrakis(actonitrile)copper(I) hexafluorophosphate; N,N'-di-tert-butylethylenediamine; oxygen In dichloromethane at 20℃; under 760.051 Torr; for 3h; Schlenk technique; Molecular sieve; Sealed tube; | 99% |
| With fluorosulfonyl fluoride; potassium carbonate; dimethyl sulfoxide at 20℃; for 12h; chemoselective reaction; | 99% |
- 101403-69-4
methyl 4-(diethoxymethyl)benzenecarboxylate
- 1571-08-0
methyl 4-formylbenzoate
| Conditions | Yield |
|---|---|
| sodium tetrakis[(3,5-di-trifluoromethyl)phenyl]borate In water at 30℃; for 3h; | 100% |
| Conditions | Yield |
|---|---|
| In methanol | 100% |
| In dichloromethane | |
| In dichloromethane | |
| Multi-step reaction with 2 steps 1: O-(benzotriazol-1-yl)-N,N,N',N'-tetramethyluronium tetrafluoroborate; N-ethyl-N,N-diisopropylamine / dichloromethane / 20 °C 2: copper(II) bis(trifluoromethanesulfonate) / 16 h / 20 °C View Scheme |
- 53148-13-3
4-(hydroxyiminomethyl)benzoic acid methyl ester
- 1571-08-0
methyl 4-formylbenzoate
| Conditions | Yield |
|---|---|
| With hydrogenchloride In water; toluene at 20℃; for 4h; Reflux; Large scale; | 98% |
- 42228-16-0
methyl 4-(dimethoxymethyl)benzoate
- 1571-08-0
methyl 4-formylbenzoate
| Conditions | Yield |
|---|---|
| With toluene-4-sulfonic acid In acetone at 20℃; for 20h; | 98% |
- 176208-43-8
methyl 4-[2-(methylthio)-1,3-dithian-2-yl]benzoate
- 1571-08-0
methyl 4-formylbenzoate
| Conditions | Yield |
|---|---|
| With water; 2,3-dicyano-5,6-dichloro-p-benzoquinone In acetonitrile for 3h; Ambient temperature; | 97% |
| With p-benzoquinone; sodium iodide In water; acetonitrile at 100℃; for 31h; | 86 %Spectr. |
| Conditions | Yield |
|---|---|
| magnesium(II) perchlorate In nitromethane at 40℃; for 16h; | 97% |
- 1774-35-2
di(p-tolyl) sulfoxide
- 6908-41-4
4-(methoxycarbonyl)benzyl alcohol
A
- 620-94-0
di-(p-tolyl)sulfane
B
- 1571-08-0
methyl 4-formylbenzoate
| Conditions | Yield |
|---|---|
| With per-rhenic acid In toluene for 24h; Reflux; | A 97% B 85% |
| Conditions | Yield |
|---|---|
| With acetyl chloride at 0 - 20℃; | 96% |
| With thionyl chloride Ambient temperature; | 95% |
| With thionyl chloride at 0 - 20℃; | 93% |
| Conditions | Yield |
|---|---|
| Stage #1: 4-quinolynylmethyl 4-formylbenzoate With ammonium formate; 1,2-bis-(diphenylphosphino)ethane; bis(dibenzylideneacetone)-palladium(0) In dimethyl sulfoxide at 50℃; for 12h; Reduction; Deprotection; Stage #2: methyl iodide With sodium carbonate In water; dimethyl sulfoxide at 20℃; for 12h; Methylation; | 96% |
Methyl 4-formylbenzoate Chemical Properties
Empirical Formula: C9H8O3
Molecular Weight: 164.158 g/mol
Index of Refraction: 1.557
Density: 1.181 g/cm3
Flash Point: 122.5 °C
Water solubility: Insoluble
Sensitive: Air Sensitive
Melting point: 59-63 °C(lit.)
Enthalpy of Vaporization: 50.29 kJ/mol
Boiling Point: 265 °C at 760 mmHg
Vapour Pressure: 0.0094 mmHg at 25 °C
Solubility: Methanol : 0.1 g/mL, clear
Appearance: White crystalline powder
Structure of Methyl 4-formylbenzoate (CAS NO.1571-08-0):
IUPAC Name: Methyl 4-formylbenzoate
Product Category of Methyl 4-formylbenzoate (CAS NO.1571-08-0): Intermediates of Dyes and Pigments;Aromatic Aldehydes & Derivatives (substituted)
Methyl 4-formylbenzoate Uses
Methyl 4-formylbenzoate (CAS NO.1571-08-0) can be used as drugs' intermediate and fluorescent brighteners' intermediate.
Methyl 4-formylbenzoate Toxicity Data With Reference
Methyl 4-formylbenzoate (CAS NO.1571-08-0) hasn't been listed as a carcinogen by NTP, IARC, ACGIH, or CA Prop 65. And the toxicological properties have not been fully investigated.
Methyl 4-formylbenzoate Safety Profile
Hazard Codes: 
Xn,
Xi
Risk Statements: 36/37/38-20/21/22
R20/21/22:Harmful by inhalation, in contact with skin and if swallowed.
R36/37/38:Irritating to eyes, respiratory system and skin.
Safety Statements: 22-24/25
S22:Do not breathe dust.
S24/25:Avoid contact with skin and eyes.
Methyl 4-formylbenzoate Specification
Methyl 4-formylbenzoate , its cas register number is 1571-08-0. It also can be called 4-Carbomethoxybenzaldehyde; p-Carbomethoxybenzaldehyde ; 4-(Methoxycarbonyl)benzaldehyde ; Methyl benzaldehyde-4-carboxylate ; Methyl terephthalaldehydate ; and 4-Carboxybenzaldehyde methyl ester . It is hazardous, so the first aid measures and others should be known. Such as: When on the skin: first, should flush skin with plenty of water immediately for at least 15 minutes while removing contaminated clothing. Secondly, get medical aid. Or in the eyes: Flush eyes with plenty of water for at least 15 minutes, occasionally lifting the upper and lower eyelids. Then get medical aid soon. While, it's inhaled: Remove from exposure and move to fresh air immediately. Give artificial respiration while not breathing. When breathing is difficult, give oxygen. And as soon as to get medical aid. Then you have the ingesting of the product: Wash mouth out with water, and get medical aid immediately. Notes to physician: Treat supportively and symptomatically.
In addition, Methyl 4-formylbenzoate (CAS NO.1571-08-0) is not compatible with strong oxidizing agents, and you must not take it with incompatible materials. And also prevent it to broken down into hazardous decomposition products: carbon monoxide, carbon dioxide.
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